Don Guglielmo Altieri

Parents

• Paolo Altieri, 8th Prince of Oriolo
• Princess Mathilde of Urach

Children

Siblings

• Donna Camilla Altieri
• Ludovico Altieri, 9th Prince of Oriolo
• Donna Maria Augusta Altieri
• Don Marc'Antonio Altieri
• Teodolinda Altieri
• Don Clemente Altieri
• Don Marc'Antonio Altieri